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3 years ago

HELPP 25 POINTSS!! ASAP

Mathematics

2 answers:

Liula [17]3 years ago

8 0

Answer:

-1/4, 5/8

Step-by-step explanation:

kenny6666 [7]3 years ago

5 0

Answer:

Because K is on the left side of 0, it is negative. Therefore, the x-coordinate must be negative (the horizontal axis), and so we can rule out choices 3 and 4. The y-coordinate (the vertical axis) has to be 5/8. This is because 1/2 can be rewritten as 4/8, and 5/8 is exactly one unit above that. 3/4 does not work because K is too close to 1/2 to be 3/4, and 4/4 would not be able to reach one (with the set interval). Therefore, it is (-1/4, 5/8).

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Answer:

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4 years ago

Juan adds 3.8+4.7 and gets a sum of 84 .Is his answer correct.tell how you know

Ivan

Answer:

His answer was wrong the answer should be 8.5 .

Step-by-step explanation:

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3 years ago

In 4 hours, you hike 10 miles.

HACTEHA [7]

Answer:2.5 miles per hour
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3 years ago

The perimeter of a triangle is 140 cm the length of the second side is twice the length of the first side the length of the thir

kykrilka [37]

Perimeter = 140

Side 1 = x

Side 2 = 2x

Side 3 = 3x - 10

x + 2x + 3x - 10 = 140

6x - 10 = 140

6x = 150

x = 25

Side 1 = 25 cm

Side 2 = 50 cm

Side 3 = 65 cm

Hope this helps!! :)

6 0

3 years ago

Read 2 more answers

Greg is in a car at the top of a roller-coaster ride. The distance, d, of the car from the ground as the car descends is determi

ANTONII [103]

Answer:

It takes 3 seconds over the interval [0,3]

Step-by-step explanation:

To find when the roller coaster reaches the ground, find when d=0.

$0=144-16t^2$

To solve divide each term by 16 and factor:

$\frac{0}{16}=\frac{144}{16} -\frac{-16t^2}{16} \\0= 9 - t^2\\0=(3-t)(3+t)$

Solve for t by setting each factor to 0.

t-3=0 so t=3

t+3=0 so t=-3

This means the car is in the air from 0 to 3 second.

8 0

3 years ago